You'd be mistaken when it comes to Bill Gates. Bill Gates & Melinda French Gates Source of Wealth: Microsoft Net Worth: $133.3 billion, $6.1 billion Giving Focus: Health, poverty alleviation Lifetime Giving: $33.4 billion Though the Gateses ended their 27 year marriage last year, they continue to co-chair the Bill & Melinda Gates Foundation, the vehicle for nearly all their philanthropic giving. As a result, Forbes is continuing to count the former couple’s donations as a combined number. The foundation made $5.8 billion in grants in 2020, including spending on research and vaccines for Covid-19. Forbes divides the grantmaking by the foundation since 2007 between the Gateses and major donor Warren Buffett. Additionally, Melinda has done some giving via her investment and incubation company, Pivotal Ventures. https://www.forbes.com/sites/forbeswealthteam/2022/01/19/americas-top-givers-2022-the-25-most-philanthropic-billionaires/?sh=346a50433a6c